Replaceable lighting unit



FIG. 1 is a front perspective view of a first embodiment of my ornamental design for a replaceable lighting unit.

FIG. 2 is a rear perspective view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a left side elevational view thereof.

FIG. 8 is a right side elevational view thereof.

FIG. 9 is a front perspective view of an alternative embodiment of my ornamental design for a replaceable lighting unit.

FIG. 10 is a rear perspective view of the embodiment of FIG. 9.

FIG. 11 is a front elevational view of the embodiment of FIG. 9.

FIG. 12 is a rear elevational view of the embodiment of FIG. 9.

FIG. 13 is a top plan view of the embodiment of FIG. 9.

FIG. 14 is a bottom plan view of the embodiment of FIG. 9.

FIG. 15 is a left side elevational view of the embodiment of FIG. 9; and,

FIG. 16 is a right side elevational view of the embodiment of FIG. 9.

The structures shown in broken lines in FIGS. 1–16 form no part of the claimed design and are included only to illustrate an environment. 

The ornamental design for a replaceable lighting unit, as shown and described. 